a-a a-b a-c aaa aab aac aae aah aak aan aaw ab- aba abb abc abe abh abk abn abw ac- aca acb acc ace ach ack acn acw aea aeb aec aee aeh aek aen aew aha ahb ahc ahe ahh ahk ahn ahw aka akb akc ake akh akk akn akw an- ana anb anc ane anh ank ann aw- awa awb awc awe awh awk awn aww baa bab bac bae bah bak ban baw bba bbb bbc bbe bbh bbk bbn bbw bca bcb bcc bce bch bck bcn be- bea beb bec bee beh bek ben bew bha bhb bhc bhe bhh bhk bhw bka bkb bkc bke bkk bkn bkw bna bnb bnc bne bnk bnn bnw bwa bwb bwc bwh bwk c-- caa cab cac cae cah cak can caw cba cbb cbc cbe cbh cbk cbn cbw cca ccb ccc cce cch cck ccn ccw ce- cea ceb cec cee ceh cek cen cew ch- cha chb chc che chh chk chn chw cka ckb ckc ckh ckw cn- cna cnb cnc cne cnh cnn cnw cw- cwa cwb cwc cwe cwh cwk cwn eaa eab eac eae eah eak ean eaw eba ebb ebc ebe ebh ebk ebn ebw ec- eca ecb ecc ece ech eck ecn ecw eea eeb eec eee eek een eew eha ehb ehc ehe ehh ehn eka ekb ekc eke ekh en- ena enb enc ene enh enk enn enw ewa ewb ewc ewe ewk eww haa hab hac hae hah hak han haw hba hbb hbc hbe hbh hbk hbn hbw hca hcb hcc hce hch hck hcn hcw he- hea heb hec hee heh hek hen hew hha hhb hhc hhe hhh hhk hhn hhw hka hkb hkh hkk hkn hkw hna hnb hnc hne hnh hnk hnn hnw hw- hwa hwb hwe hwk hwn hww ka- kaa kab kac kae kah kak kan kaw kba kbb kbc kbe kbh kbk kbn kbw kca kcb kcc kce kch kck kcn ke- kea keb kec kee keh kek ken kew kha khe khh khk khn kkb kkc kke kkh kkk kkn kn- kna knc kne knk knn kw- kwa kwc kwh kwk kww naa nab nac nae nah nak nan naw nba nbb nbc nbe nbk nbn nbw nca ncb ncc nce nch nck ncn ncw ne- nea neb nec nee neh nek nen new nha nhb nhc nhe nhh nhk nhn nka nkc nke nkk nkn nna nnb nnc nne nnh nnk nnn nnw nwa nwb nwc nwe nwn waa wab wac wae wah wak wan waw wba wbb wbc wbe wbn wbw wca wcb wcc wce wch wck wcn wcw wea web wec wee weh wek wen wew wh- wha whb whc whh whk whw wka wkb wkc wke wkw wn- wna wnc wne wnn wnw wwa wwc wwe wwn www